Examples with MetaObject org.apache.ibatis.reflection.MetaObject used on opensource projects

Example 16 with MetaObject

use of org.apache.ibatis.reflection.MetaObject in project mybatis-3 by mybatis.

the class DefaultResultSetHandler method applyPropertyMappings.

//
// PROPERTY MAPPINGS
//
private boolean applyPropertyMappings(ResultSetWrapper rsw, ResultMap resultMap, MetaObject metaObject, ResultLoaderMap lazyLoader, String columnPrefix) throws SQLException {
    final List<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
    boolean foundValues = false;
    final List<ResultMapping> propertyMappings = resultMap.getPropertyResultMappings();
    for (ResultMapping propertyMapping : propertyMappings) {
        String column = prependPrefix(propertyMapping.getColumn(), columnPrefix);
        if (propertyMapping.getNestedResultMapId() != null) {
            // the user added a column attribute to a nested result map, ignore it
            column = null;
        }
        if (propertyMapping.isCompositeResult() || (column != null && mappedColumnNames.contains(column.toUpperCase(Locale.ENGLISH))) || propertyMapping.getResultSet() != null) {
            Object value = getPropertyMappingValue(rsw.getResultSet(), metaObject, propertyMapping, lazyLoader, columnPrefix);
            // issue #541 make property optional
            final String property = propertyMapping.getProperty();
            if (property == null) {
                continue;
            } else if (value == DEFERED) {
                foundValues = true;
                continue;
            }
            if (value != null) {
                foundValues = true;
            }
            if (value != null || (configuration.isCallSettersOnNulls() && !metaObject.getSetterType(property).isPrimitive())) {
                // gcode issue #377, call setter on nulls (value is not 'found')
                metaObject.setValue(property, value);
            }
        }
    }
    return foundValues;
}

Example 17 with MetaObject

use of org.apache.ibatis.reflection.MetaObject in project mybatis-3 by mybatis.

the class DefaultResultSetHandler method linkObjects.

private void linkObjects(MetaObject metaObject, ResultMapping resultMapping, Object rowValue) {
    final Object collectionProperty = instantiateCollectionPropertyIfAppropriate(resultMapping, metaObject);
    if (collectionProperty != null) {
        final MetaObject targetMetaObject = configuration.newMetaObject(collectionProperty);
        targetMetaObject.add(rowValue);
    } else {
        metaObject.setValue(resultMapping.getProperty(), rowValue);
    }
}

Example 18 with MetaObject

use of org.apache.ibatis.reflection.MetaObject in project mybatis-3 by mybatis.

the class UnpooledDataSourceFactory method convertValue.

private Object convertValue(MetaObject metaDataSource, String propertyName, String value) {
    Object convertedValue = value;
    Class<?> targetType = metaDataSource.getSetterType(propertyName);
    if (targetType == Integer.class || targetType == int.class) {
        convertedValue = Integer.valueOf(value);
    } else if (targetType == Long.class || targetType == long.class) {
        convertedValue = Long.valueOf(value);
    } else if (targetType == Boolean.class || targetType == boolean.class) {
        convertedValue = Boolean.valueOf(value);
    }
    return convertedValue;
}

Example 19 with MetaObject

use of org.apache.ibatis.reflection.MetaObject in project mybatis-3 by mybatis.

the class BaseExecutor method handleLocallyCachedOutputParameters.

private void handleLocallyCachedOutputParameters(MappedStatement ms, CacheKey key, Object parameter, BoundSql boundSql) {
    if (ms.getStatementType() == StatementType.CALLABLE) {
        final Object cachedParameter = localOutputParameterCache.getObject(key);
        if (cachedParameter != null && parameter != null) {
            final MetaObject metaCachedParameter = configuration.newMetaObject(cachedParameter);
            final MetaObject metaParameter = configuration.newMetaObject(parameter);
            for (ParameterMapping parameterMapping : boundSql.getParameterMappings()) {
                if (parameterMapping.getMode() != ParameterMode.IN) {
                    final String parameterName = parameterMapping.getProperty();
                    final Object cachedValue = metaCachedParameter.getValue(parameterName);
                    metaParameter.setValue(parameterName, cachedValue);
                }
            }
        }
    }
}

Example 20 with MetaObject

use of org.apache.ibatis.reflection.MetaObject in project mybatis-3 by mybatis.

the class DefaultResultSetHandler method getRowValue.

//
// GET VALUE FROM ROW FOR NESTED RESULT MAP
//
private Object getRowValue(ResultSetWrapper rsw, ResultMap resultMap, CacheKey combinedKey, String columnPrefix, Object partialObject) throws SQLException {
    final String resultMapId = resultMap.getId();
    Object rowValue = partialObject;
    if (rowValue != null) {
        final MetaObject metaObject = configuration.newMetaObject(rowValue);
        putAncestor(rowValue, resultMapId, columnPrefix);
        applyNestedResultMappings(rsw, resultMap, metaObject, columnPrefix, combinedKey, false);
        ancestorObjects.remove(resultMapId);
    } else {
        final ResultLoaderMap lazyLoader = new ResultLoaderMap();
        rowValue = createResultObject(rsw, resultMap, lazyLoader, columnPrefix);
        if (rowValue != null && !hasTypeHandlerForResultObject(rsw, resultMap.getType())) {
            final MetaObject metaObject = configuration.newMetaObject(rowValue);
            boolean foundValues = this.useConstructorMappings;
            if (shouldApplyAutomaticMappings(resultMap, true)) {
                foundValues = applyAutomaticMappings(rsw, resultMap, metaObject, columnPrefix) || foundValues;
            }
            foundValues = applyPropertyMappings(rsw, resultMap, metaObject, lazyLoader, columnPrefix) || foundValues;
            putAncestor(rowValue, resultMapId, columnPrefix);
            foundValues = applyNestedResultMappings(rsw, resultMap, metaObject, columnPrefix, combinedKey, true) || foundValues;
            ancestorObjects.remove(resultMapId);
            foundValues = lazyLoader.size() > 0 || foundValues;
            rowValue = (foundValues || configuration.isReturnInstanceForEmptyRow()) ? rowValue : null;
        }
        if (combinedKey != CacheKey.NULL_CACHE_KEY) {
            nestedResultObjects.put(combinedKey, rowValue);
        }
    }
    return rowValue;
}